Home / 1,603,528.50-2,212,905.06-915,186.54

Finding the Fourth Proportional to 1,603,528.50, 2,212,905.06 and 915,186.54

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Solution

The fourth proportional to 1,603,528.50, 2,212,905.06 and 915,186.54 is: 1,262,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,528.50 : 2,212,905.06 = 915,186.54 : x
  2. Step 2: Convert to fraction form
    1,603,528.50/2,212,905.06 = 915,186.54/x
  3. Step 3: Cross multiply
    1,603,528.50x = 2,212,905.06 × 915,186.54
  4. Step 4: Simplify right side
    1,603,528.50x = 2,025,220,925,209.89
  5. Step 5: Solve for x
    x = 2,025,220,925,209.89/1,603,528.50
  6. Step 6: Final answer
    x = 1,262,977.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.